) none of the above 8) A balanced chemical equation used to prepare ammonium carbonate, (NH4)2CO3 .is:
2NH3.02.20 - (NH4)2003
Which choice of reactant quantities shown below would result in the greatest amount of ammonium carbonate
being formed?
A) React 2 moles NH3 . I mole CO2. and I mole H20
B) React 2 moles NH3.8 moles CO2 and 8 moles H20
React 4 moles NH3,1 mole CO2, and 2 moles H20
D) React 4 moles NH3 . 2 moles CO2 and 2 moles H20
E) none of the above

2. you__turn left on a red light if you are in the left-most lane of a one-way street, you're turning into the left-most lane of a one-way street, and no nearby sign prohibits the turn.

Ais a mountain created from eruptions of lava, ash, rocks, and hot gases.

Which statements are true concerning mineral formation? check all that apply. the slower the cooling, the larger the crystals. the faster the cooling, the smaller the crystals. crystals formed from magma are smaller than crystals formed from lava. minerals can only form in solutions when the solution is heated deep underground. when a solution cools, elements and compounds leave the solution and crystallize as minerals. minerals formed from hot water solutions can form narrow channels in the surrounding rock.